Open English Wordnet
Nouns
(n)pledgea deposit of personal property as security for a debt“his saxophone was in pledge” (n)pledgesomeone accepted for membership but not yet fully admitted to the group (n)pledge, toasta drink in honor of or to the health of a person or event (n)assurance, pledgea binding commitment to do or give or refrain from something“an assurance of help when needed”,
“signed a pledge never to reveal the secret” Verbs
(v)pledge, plightpromise solemnly and formally“I pledge that I will honor my wife” (v)pledge, subscribepay (an amount of money) as a contribution to a charity or service, especially at regular intervals“I pledged $10 a month to my favorite radio station” (v)pledgegive as a guarantee“I pledge my honor” (v)pledgebind or secure by a pledge“I was pledged to silence”